ELM 327 Bluetooth OBD2 Scan Tool
Sometimes I get a light on my dashboard and it means nothing to me. I wish I had more detail. That ever happen to you? Use the tool the pros use and grab the ELM 327 Bluetooth OBD2 Scan Tool. It hooks into your cars diagnostics port (usually under the dashboard) and connects to your iOS/Android device via Bluetooth and helps you troubleshoot that nagging dashboard error light.